reactos/dll/win32/shell32/shlexec.cpp

   1 /*
   2  *          Shell Library Functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 2002 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "precomp.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(exec);
  25
  26 static const WCHAR wszOpen[] = L"open";
  27 static const WCHAR wszExe[] = L".exe";
  28
  29 #define SEE_MASK_CLASSALL (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY)
  30
  31 typedef UINT_PTR (*SHELL_ExecuteW32)(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
  32                 const SHELLEXECUTEINFOW *sei, LPSHELLEXECUTEINFOW sei_out);
  33
  34 static void ParseNoTildeEffect(PWSTR &res, LPCWSTR &args, DWORD &len, DWORD &used, int argNum)
  35 {
  36     bool firstCharQuote = false;
  37     bool quotes_opened = false;
  38     bool backslash_encountered = false;
  39
  40     for (int curArg = 0; curArg <= argNum && *args; ++curArg)
  41     {
  42         firstCharQuote = false;
  43         if (*args == '"')
  44         {
  45             quotes_opened = true;
  46             firstCharQuote = true;
  47             args++;
  48         }
  49
  50         while(*args)
  51         {
  52             if (*args == '\\')
  53             {
  54                 // if we found a backslash then flip the variable
  55                 backslash_encountered = !backslash_encountered;
  56             }
  57             else if (*args == '"')
  58             {
  59                 if (quotes_opened)
  60                 {
  61                     if (*(args + 1) != '"')
  62                     {
  63                         quotes_opened = false;
  64                         args++;
  65                         break;
  66                     }
  67                     else
  68                     {
  69                         args++;
  70                     }
  71                 }
  72                 else
  73                 {
  74                     quotes_opened = true;
  75                 }
  76
  77                 backslash_encountered = false;
  78             }
  79             else
  80             {
  81                 backslash_encountered = false;
  82                 if (*args == ' ' && !firstCharQuote)
  83                     break;
  84             }
  85
  86             if (curArg == argNum)
  87             {
  88                 used++;
  89                 if (used < len)
  90                     *res++ = *args;
  91             }
  92
  93             args++;
  94         }
  95
  96         while(*args == ' ')
  97             ++args;
  98     }
  99 }
 100
 101 static void ParseTildeEffect(PWSTR &res, LPCWSTR &args, DWORD &len, DWORD &used, int argNum)
 102 {
 103     bool quotes_opened = false;
 104     bool backslash_encountered = false;
 105
 106     for (int curArg = 0; curArg <= argNum && *args; ++curArg)
 107     {
 108         while(*args)
 109         {
 110             if (*args == '\\')
 111             {
 112                 // if we found a backslash then flip the variable
 113                 backslash_encountered = !backslash_encountered;
 114             }
 115             else if (*args == '"')
 116             {
 117                 if (quotes_opened)
 118                 {
 119                     if (*(args + 1) != '"')
 120                     {
 121                         quotes_opened = false;
 122                     }
 123                     else
 124                     {
 125                         args++;
 126                     }
 127                 }
 128                 else
 129                 {
 130                     quotes_opened = true;
 131                 }
 132
 133                 backslash_encountered = false;
 134             }
 135             else
 136             {
 137                 backslash_encountered = false;
 138                 if (*args == ' ' && !quotes_opened && curArg != argNum)
 139                     break;
 140             }
 141
 142             if (curArg == argNum)
 143             {
 144                 used++;
 145                 if (used < len)
 146                     *res++ = *args;
 147             }
 148
 149             args++;
 150         }
 151     }
 152 }
 153
 154 /***********************************************************************
 155  * SHELL_ArgifyW [Internal]
 156  *
 157  * this function is supposed to expand the escape sequences found in the registry
 158  * some diving reported that the following were used:
 159  * + %1, %2...  seem to report to parameter of index N in ShellExecute pmts
 160  * %1 file
 161  * %2 printer
 162  * %3 driver
 163  * %4 port
 164  * %I address of a global item ID (explorer switch /idlist)
 165  * %L seems to be %1 as long filename followed by the 8+3 variation
 166  * %S ???
 167  * %* all following parameters (see batfile)
 168  *
 169  * The way we parse the command line arguments was determined through extensive
 170  * testing and can be summed up by the following rules"
 171  *
 172  * - %2
 173  *     - if first letter is " break on first non literal " and include any white spaces
 174  *     - if first letter is NOT " break on first " or white space
 175  *     - if " is opened any pair of consecutive " results in ONE literal "
 176  *
 177  * - %~2
 178  *     - use rules from here http://www.autohotkey.net/~deleyd/parameters/parameters.htm
 179  */
 180
 181 static BOOL SHELL_ArgifyW(WCHAR* out, DWORD len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args, DWORD* out_len)
 182 {
 183     WCHAR   xlpFile[1024];
 184     BOOL    done = FALSE;
 185     BOOL    found_p1 = FALSE;
 186     PWSTR   res = out;
 187     PCWSTR  cmd;
 188     DWORD   used = 0;
 189     bool    tildeEffect = false;
 190
 191     TRACE("Before parsing: %p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
 192           debugstr_w(lpFile), pidl, args);
 193
 194     while (*fmt)
 195     {
 196         if (*fmt == '%')
 197         {
 198             switch (*++fmt)
 199             {
 200                 case '\0':
 201                 case '%':
 202                 {
 203                     used++;
 204                     if (used < len)
 205                         *res++ = '%';
 206                 };
 207                 break;
 208
 209                 case '*':
 210                 {
 211                     if (args)
 212                     {
 213                         if (*fmt == '*')
 214                         {
 215                             used++;
 216                             while(*args)
 217                             {
 218                                 used++;
 219                                 if (used < len)
 220                                     *res++ = *args++;
 221                                 else
 222                                     args++;
 223                             }
 224                             used++;
 225                             break;
 226                         }
 227                     }
 228                 };
 229                 break;
 230
 231                 case '~':
 232
 233                 case '2':
 234                 case '3':
 235                 case '4':
 236                 case '5':
 237                 case '6':
 238                 case '7':
 239                 case '8':
 240                 case '9':
 241                     //case '0':
 242                 {
 243                     if (*fmt == '~')
 244                     {
 245                         fmt++;
 246                         tildeEffect = true;
 247                     }
 248
 249                     if (args)
 250                     {
 251                         if (tildeEffect)
 252                         {
 253                             ParseTildeEffect(res, args, len, used, *fmt - '2');
 254                             tildeEffect = false;
 255                         }
 256                         else
 257                         {
 258                             ParseNoTildeEffect(res, args, len, used, *fmt - '2');
 259                         }
 260                     }
 261                 };
 262                 break;
 263
 264                 case '1':
 265                     if (!done || (*fmt == '1'))
 266                     {
 267                         /*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
 268                         if (SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile) / sizeof(WCHAR), xlpFile, NULL))
 269                             cmd = xlpFile;
 270                         else
 271                             cmd = lpFile;
 272
 273                         used += wcslen(cmd);
 274                         if (used < len)
 275                         {
 276                             wcscpy(res, cmd);
 277                             res += wcslen(cmd);
 278                         }
 279                     }
 280                     found_p1 = TRUE;
 281                     break;
 282
 283                     /*
 284                      * IE uses this a lot for activating things such as windows media
 285                      * player. This is not verified to be fully correct but it appears
 286                      * to work just fine.
 287                      */
 288                 case 'l':
 289                 case 'L':
 290                     if (lpFile)
 291                     {
 292                         used += wcslen(lpFile);
 293                         if (used < len)
 294                         {
 295                             wcscpy(res, lpFile);
 296                             res += wcslen(lpFile);
 297                         }
 298                     }
 299                     found_p1 = TRUE;
 300                     break;
 301
 302                 case 'i':
 303                 case 'I':
 304                     if (pidl)
 305                     {
 306                         DWORD chars = 0;
 307                         /* %p should not exceed 8, maybe 16 when looking forward to 64bit.
 308                             * allowing a buffer of 100 should more than exceed all needs */
 309                         WCHAR buf[100];
 310                         LPVOID  pv;
 311                         HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
 312                         pv = SHLockShared(hmem, 0);
 313                         chars = swprintf(buf, L":%p", pv);
 314
 315                         if (chars >= sizeof(buf) / sizeof(WCHAR))
 316                             ERR("pidl format buffer too small!\n");
 317
 318                         used += chars;
 319
 320                         if (used < len)
 321                         {
 322                             wcscpy(res, buf);
 323                             res += chars;
 324                         }
 325                         SHUnlockShared(pv);
 326                     }
 327                     found_p1 = TRUE;
 328                     break;
 329
 330                 default:
 331                     /*
 332                      * Check if this is an env-variable here...
 333                      */
 334
 335                     /* Make sure that we have at least one more %.*/
 336                     if (strchrW(fmt, '%'))
 337                     {
 338                         WCHAR   tmpBuffer[1024];
 339                         PWSTR   tmpB = tmpBuffer;
 340                         WCHAR   tmpEnvBuff[MAX_PATH];
 341                         DWORD   envRet;
 342
 343                         while (*fmt != '%')
 344                             *tmpB++ = *fmt++;
 345                         *tmpB++ = 0;
 346
 347                         TRACE("Checking %s to be an env-var\n", debugstr_w(tmpBuffer));
 348
 349                         envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
 350                         if (envRet == 0 || envRet > MAX_PATH)
 351                         {
 352                             used += wcslen(tmpBuffer);
 353                             if (used < len)
 354                             {
 355                                 wcscpy( res, tmpBuffer );
 356                                 res += wcslen(tmpBuffer);
 357                             }
 358                         }
 359                         else
 360                         {
 361                             used += wcslen(tmpEnvBuff);
 362                             if (used < len)
 363                             {
 364                                 wcscpy( res, tmpEnvBuff );
 365                                 res += wcslen(tmpEnvBuff);
 366                             }
 367                         }
 368                     }
 369                     done = TRUE;
 370                     break;
 371             }
 372             /* Don't skip past terminator (catch a single '%' at the end) */
 373             if (*fmt != '\0')
 374             {
 375                 fmt++;
 376             }
 377         }
 378         else
 379         {
 380             used ++;
 381             if (used < len)
 382                 *res++ = *fmt++;
 383             else
 384                 fmt++;
 385         }
 386     }
 387
 388     used++;
 389     if (res - out < static_cast<int>(len))
 390         *res = '\0';
 391     else
 392         out[len-1] = '\0';
 393
 394     TRACE("used %i of %i space\n", used, len);
 395     if (out_len)
 396         *out_len = used;
 397
 398     TRACE("After parsing: %p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
 399           debugstr_w(lpFile), pidl, args);
 400
 401     return found_p1;
 402 }
 403
 404 static HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
 405 {
 406     STRRET strret;
 407     CComPtr<IShellFolder> desktop;
 408
 409     HRESULT hr = SHGetDesktopFolder(&desktop);
 410
 411     if (SUCCEEDED(hr))
 412     {
 413         hr = desktop->GetDisplayNameOf(pidl, SHGDN_FORPARSING, &strret);
 414
 415         if (SUCCEEDED(hr))
 416             StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
 417     }
 418
 419     return hr;
 420 }
 421
 422 /*************************************************************************
 423  *    SHELL_ExecuteW [Internal]
 424  *
 425  */
 426 static UINT_PTR SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 427                                const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
 428 {
 429     STARTUPINFOW  startup;
 430     PROCESS_INFORMATION info;
 431     UINT_PTR retval = SE_ERR_NOASSOC;
 432     UINT gcdret = 0;
 433     WCHAR curdir[MAX_PATH];
 434     DWORD dwCreationFlags;
 435     const WCHAR *lpDirectory = NULL;
 436
 437     TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
 438
 439     /* make sure we don't fail the CreateProcess if the calling app passes in
 440      * a bad working directory */
 441     if (psei->lpDirectory && psei->lpDirectory[0])
 442     {
 443         DWORD attr = GetFileAttributesW(psei->lpDirectory);
 444         if (attr != INVALID_FILE_ATTRIBUTES && attr & FILE_ATTRIBUTE_DIRECTORY)
 445             lpDirectory = psei->lpDirectory;
 446     }
 447
 448     /* ShellExecute specifies the command from psei->lpDirectory
 449      * if present. Not from the current dir as CreateProcess does */
 450     if (lpDirectory)
 451         if ((gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
 452             if (!SetCurrentDirectoryW( lpDirectory))
 453                 ERR("cannot set directory %s\n", debugstr_w(lpDirectory));
 454
 455     ZeroMemory(&startup, sizeof(STARTUPINFOW));
 456     startup.cb = sizeof(STARTUPINFOW);
 457     startup.dwFlags = STARTF_USESHOWWINDOW;
 458     startup.wShowWindow = psei->nShow;
 459     dwCreationFlags = CREATE_UNICODE_ENVIRONMENT;
 460     if (!(psei->fMask & SEE_MASK_NO_CONSOLE))
 461         dwCreationFlags |= CREATE_NEW_CONSOLE;
 462     startup.lpTitle = (LPWSTR)(psei->fMask & (SEE_MASK_HASLINKNAME | SEE_MASK_HASTITLE) ? psei->lpClass : NULL);
 463
 464     if (psei->fMask & SEE_MASK_HASLINKNAME)
 465         startup.dwFlags |= STARTF_TITLEISLINKNAME;
 466
 467     if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, dwCreationFlags, env,
 468                        lpDirectory, &startup, &info))
 469     {
 470         /* Give 30 seconds to the app to come up, if desired. Probably only needed
 471            when starting app immediately before making a DDE connection. */
 472         if (shWait)
 473             if (WaitForInputIdle(info.hProcess, 30000) == WAIT_FAILED)
 474                 WARN("WaitForInputIdle failed: Error %d\n", GetLastError() );
 475         retval = 33;
 476
 477         if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
 478             psei_out->hProcess = info.hProcess;
 479         else
 480             CloseHandle( info.hProcess );
 481         CloseHandle( info.hThread );
 482     }
 483     else if ((retval = GetLastError()) >= 32)
 484     {
 485         WARN("CreateProcess returned error %ld\n", retval);
 486         retval = ERROR_BAD_FORMAT;
 487     }
 488
 489     TRACE("returning %lu\n", retval);
 490
 491     psei_out->hInstApp = (HINSTANCE)retval;
 492
 493     if (gcdret)
 494         if (!SetCurrentDirectoryW(curdir))
 495             ERR("cannot return to directory %s\n", debugstr_w(curdir));
 496
 497     return retval;
 498 }
 499
 500
 501 /***********************************************************************
 502  *           SHELL_BuildEnvW    [Internal]
 503  *
 504  * Build the environment for the new process, adding the specified
 505  * path to the PATH variable. Returned pointer must be freed by caller.
 506  */
 507 static LPWSTR SHELL_BuildEnvW( const WCHAR *path )
 508 {
 509     static const WCHAR wPath[] = L"PATH=";
 510     WCHAR *strings, *new_env;
 511     WCHAR *p, *p2;
 512     int total = wcslen(path) + 1;
 513     BOOL got_path = FALSE;
 514
 515     if (!(strings = GetEnvironmentStringsW())) return NULL;
 516     p = strings;
 517     while (*p)
 518     {
 519         int len = wcslen(p) + 1;
 520         if (!_wcsnicmp( p, wPath, 5 )) got_path = TRUE;
 521         total += len;
 522         p += len;
 523     }
 524     if (!got_path) total += 5;  /* we need to create PATH */
 525     total++;  /* terminating null */
 526
 527     if (!(new_env = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, total * sizeof(WCHAR))))
 528     {
 529         FreeEnvironmentStringsW(strings);
 530         return NULL;
 531     }
 532     p = strings;
 533     p2 = new_env;
 534     while (*p)
 535     {
 536         int len = wcslen(p) + 1;
 537         memcpy(p2, p, len * sizeof(WCHAR));
 538         if (!_wcsnicmp( p, wPath, 5 ))
 539         {
 540             p2[len - 1] = ';';
 541             wcscpy( p2 + len, path );
 542             p2 += wcslen(path) + 1;
 543         }
 544         p += len;
 545         p2 += len;
 546     }
 547     if (!got_path)
 548     {
 549         wcscpy(p2, wPath);
 550         wcscat(p2, path);
 551         p2 += wcslen(p2) + 1;
 552     }
 553     *p2 = 0;
 554     FreeEnvironmentStringsW(strings);
 555     return new_env;
 556 }
 557
 558
 559 /***********************************************************************
 560  *           SHELL_TryAppPathW    [Internal]
 561  *
 562  * Helper function for SHELL_FindExecutable
 563  * @param lpResult - pointer to a buffer of size MAX_PATH
 564  * On entry: szName is a filename (probably without path separators).
 565  * On exit: if szName found in "App Path", place full path in lpResult, and return true
 566  */
 567 static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
 568 {
 569     HKEY hkApp = 0;
 570     WCHAR buffer[1024];
 571     LONG len;
 572     LONG res;
 573     BOOL found = FALSE;
 574
 575     if (env) *env = NULL;
 576     wcscpy(buffer, L"Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\");
 577     wcscat(buffer, szName);
 578     res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 579     if (res)
 580     {
 581         // Add ".exe" extension, if extension does not exists
 582         if (PathAddExtensionW(buffer, wszExe))
 583         {
 584             res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
 585         }
 586         if (res) goto end;
 587     }
 588
 589     len = MAX_PATH * sizeof(WCHAR);
 590     res = RegQueryValueW(hkApp, NULL, lpResult, &len);
 591     if (res) goto end;
 592     found = TRUE;
 593
 594     if (env)
 595     {
 596         DWORD count = sizeof(buffer);
 597         if (!RegQueryValueExW(hkApp, L"Path", NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
 598             *env = SHELL_BuildEnvW(buffer);
 599     }
 600
 601 end:
 602     if (hkApp) RegCloseKey(hkApp);
 603     return found;
 604 }
 605
 606 /*************************************************************************
 607  *     SHELL_FindExecutableByVerb [Internal]
 608  *
 609  * called from SHELL_FindExecutable or SHELL_execute_class
 610  * in/out:
 611  *      classname a buffer, big enough, to get the key name to do actually the
 612  *              command   "WordPad.Document.1\\shell\\open\\command"
 613  *              passed as "WordPad.Document.1"
 614  * in:
 615  *      lpVerb the operation on it (open)
 616  *      commandlen the size of command buffer (in bytes)
 617  * out:
 618  *      command a buffer, to store the command to do the
 619  *              operation on the file
 620  *      key a buffer, big enough, to get the key name to do actually the
 621  *              command "WordPad.Document.1\\shell\\open\\command"
 622  *              Can be NULL
 623  */
 624 static UINT SHELL_FindExecutableByVerb(LPCWSTR lpVerb, LPWSTR key, LPWSTR classname, LPWSTR command, LONG commandlen)
 625 {
 626     static const WCHAR wCommand[] = L"\\command";
 627     HKEY hkeyClass;
 628     WCHAR verb[MAX_PATH];
 629
 630     if (RegOpenKeyExW(HKEY_CLASSES_ROOT, classname, 0, 0x02000000, &hkeyClass))
 631         return SE_ERR_NOASSOC;
 632     if (!HCR_GetDefaultVerbW(hkeyClass, lpVerb, verb, sizeof(verb) / sizeof(verb[0])))
 633         return SE_ERR_NOASSOC;
 634     RegCloseKey(hkeyClass);
 635
 636     /* Looking for ...buffer\shell\<verb>\command */
 637     wcscat(classname, L"\\shell\\");
 638     wcscat(classname, verb);
 639     wcscat(classname, wCommand);
 640
 641     if (RegQueryValueW(HKEY_CLASSES_ROOT, classname, command,
 642                        &commandlen) == ERROR_SUCCESS)
 643     {
 644         commandlen /= sizeof(WCHAR);
 645         if (key) wcscpy(key, classname);
 646 #if 0
 647         LPWSTR tmp;
 648         WCHAR param[256];
 649         LONG paramlen = sizeof(param);
 650         static const WCHAR wSpace[] = {' ', 0};
 651
 652         /* FIXME: it seems all Windows version don't behave the same here.
 653          * the doc states that this ddeexec information can be found after
 654          * the exec names.
 655          * on Win98, it doesn't appear, but I think it does on Win2k
 656          */
 657         /* Get the parameters needed by the application
 658            from the associated ddeexec key */
 659         tmp = strstrW(classname, wCommand);
 660         tmp[0] = '\0';
 661         wcscat(classname, wDdeexec);
 662         if (RegQueryValueW(HKEY_CLASSES_ROOT, classname, param,
 663                            &paramlen) == ERROR_SUCCESS)
 664         {
 665             paramlen /= sizeof(WCHAR);
 666             wcscat(command, wSpace);
 667             wcscat(command, param);
 668             commandlen += paramlen;
 669         }
 670 #endif
 671
 672         command[commandlen] = '\0';
 673
 674         return 33; /* FIXME see SHELL_FindExecutable() */
 675     }
 676
 677     return SE_ERR_NOASSOC;
 678 }
 679
 680 /*************************************************************************
 681  *    SHELL_FindExecutable [Internal]
 682  *
 683  * Utility for code sharing between FindExecutable and ShellExecute
 684  * in:
 685  *      lpFile the name of a file
 686  *      lpVerb the operation on it (open)
 687  * out:
 688  *      lpResult a buffer, big enough :-(, to store the command to do the
 689  *              operation on the file
 690  *      key a buffer, big enough, to get the key name to do actually the
 691  *              command (it'll be used afterwards for more information
 692  *              on the operation)
 693  */
 694 static UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpVerb,
 695                                  LPWSTR lpResult, DWORD resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
 696 {
 697     WCHAR *extension = NULL; /* pointer to file extension */
 698     WCHAR classname[256];     /* registry name for this file type */
 699     LONG  classnamelen = sizeof(classname); /* length of above */
 700     WCHAR command[1024];     /* command from registry */
 701     WCHAR wBuffer[256];      /* Used to GetProfileString */
 702     UINT  retval = SE_ERR_NOASSOC;
 703     WCHAR *tok;              /* token pointer */
 704     WCHAR xlpFile[256];      /* result of SearchPath */
 705     DWORD attribs;           /* file attributes */
 706
 707     TRACE("%s\n", debugstr_w(lpFile));
 708
 709     if (!lpResult)
 710         return ERROR_INVALID_PARAMETER;
 711
 712     xlpFile[0] = '\0';
 713     lpResult[0] = '\0'; /* Start off with an empty return string */
 714     if (key) *key = '\0';
 715
 716     /* trap NULL parameters on entry */
 717     if (!lpFile)
 718     {
 719         WARN("(lpFile=%s,lpResult=%s): NULL parameter\n",
 720              debugstr_w(lpFile), debugstr_w(lpResult));
 721         return ERROR_FILE_NOT_FOUND; /* File not found. Close enough, I guess. */
 722     }
 723
 724     if (SHELL_TryAppPathW( lpFile, lpResult, env ))
 725     {
 726         TRACE("found %s via App Paths\n", debugstr_w(lpResult));
 727         return 33;
 728     }
 729
 730     if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile) / sizeof(WCHAR), xlpFile, NULL))
 731     {
 732         TRACE("SearchPathW returned non-zero\n");
 733         lpFile = xlpFile;
 734         /* The file was found in the application-supplied default directory (or the system search path) */
 735     }
 736     else if (lpPath && SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
 737     {
 738         TRACE("SearchPathW returned non-zero\n");
 739         lpFile = xlpFile;
 740         /* The file was found in one of the directories in the system-wide search path */
 741     }
 742
 743     attribs = GetFileAttributesW(lpFile);
 744     if (attribs != INVALID_FILE_ATTRIBUTES && (attribs & FILE_ATTRIBUTE_DIRECTORY))
 745     {
 746         wcscpy(classname, L"Folder");
 747     }
 748     else
 749     {
 750         /* Did we get something? Anything? */
 751         if (xlpFile[0] == 0)
 752         {
 753             TRACE("Returning SE_ERR_FNF\n");
 754             return SE_ERR_FNF;
 755         }
 756         /* First thing we need is the file's extension */
 757         extension = wcsrchr(xlpFile, '.'); /* Assume last "." is the one; */
 758         /* File->Run in progman uses */
 759         /* .\FILE.EXE :( */
 760         TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
 761
 762         if (extension == NULL || extension[1] == 0)
 763         {
 764             WARN("Returning SE_ERR_NOASSOC\n");
 765             return SE_ERR_NOASSOC;
 766         }
 767
 768         /* Three places to check: */
 769         /* 1. win.ini, [windows], programs (NB no leading '.') */
 770         /* 2. Registry, HKEY_CLASS_ROOT\<classname>\shell\open\command */
 771         /* 3. win.ini, [extensions], extension (NB no leading '.' */
 772         /* All I know of the order is that registry is checked before */
 773         /* extensions; however, it'd make sense to check the programs */
 774         /* section first, so that's what happens here. */
 775
 776         /* See if it's a program - if GetProfileString fails, we skip this
 777          * section. Actually, if GetProfileString fails, we've probably
 778          * got a lot more to worry about than running a program... */
 779         if (GetProfileStringW(L"windows", L"programs", L"exe pif bat cmd com", wBuffer, sizeof(wBuffer) / sizeof(WCHAR)) > 0)
 780         {
 781             CharLowerW(wBuffer);
 782             tok = wBuffer;
 783             while (*tok)
 784             {
 785                 WCHAR *p = tok;
 786                 while (*p && *p != ' ' && *p != '\t') p++;
 787                 if (*p)
 788                 {
 789                     *p++ = 0;
 790                     while (*p == ' ' || *p == '\t') p++;
 791                 }
 792
 793                 if (wcsicmp(tok, &extension[1]) == 0) /* have to skip the leading "." */
 794                 {
 795                     wcscpy(lpResult, xlpFile);
 796                     /* Need to perhaps check that the file has a path
 797                      * attached */
 798                     TRACE("found %s\n", debugstr_w(lpResult));
 799                     return 33;
 800                     /* Greater than 32 to indicate success */
 801                 }
 802                 tok = p;
 803             }
 804         }
 805
 806         /* Check registry */
 807         if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, classname,
 808                            &classnamelen) == ERROR_SUCCESS)
 809         {
 810             classnamelen /= sizeof(WCHAR);
 811             if (classnamelen == sizeof(classname) / sizeof(WCHAR))
 812                 classnamelen--;
 813
 814             classname[classnamelen] = '\0';
 815             TRACE("File type: %s\n", debugstr_w(classname));
 816         }
 817         else
 818         {
 819             *classname = '\0';
 820         }
 821     }
 822
 823     if (*classname)
 824     {
 825         /* pass the verb string to SHELL_FindExecutableByVerb() */
 826         retval = SHELL_FindExecutableByVerb(lpVerb, key, classname, command, sizeof(command));
 827
 828         if (retval > 32)
 829         {
 830             DWORD finishedLen;
 831             SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args, &finishedLen);
 832             if (finishedLen > resultLen)
 833                 ERR("Argify buffer not large enough.. truncated\n");
 834             /* Remove double quotation marks and command line arguments */
 835             if (*lpResult == '"')
 836             {
 837                 WCHAR *p = lpResult;
 838                 while (*(p + 1) != '"')
 839                 {
 840                     *p = *(p + 1);
 841                     p++;
 842                 }
 843                 *p = '\0';
 844             }
 845             else
 846             {
 847                 /* Truncate on first space */
 848                 WCHAR *p = lpResult;
 849                 while (*p != ' ' && *p != '\0')
 850                     p++;
 851                 *p = '\0';
 852             }
 853         }
 854     }
 855     else /* Check win.ini */
 856     {
 857         /* Toss the leading dot */
 858         extension++;
 859         if (GetProfileStringW(L"extensions", extension, L"", command, sizeof(command) / sizeof(WCHAR)) > 0)
 860         {
 861             if (wcslen(command) != 0)
 862             {
 863                 wcscpy(lpResult, command);
 864                 tok = wcschr(lpResult, '^'); /* should be ^.extension? */
 865                 if (tok != NULL)
 866                 {
 867                     tok[0] = '\0';
 868                     wcscat(lpResult, xlpFile); /* what if no dir in xlpFile? */
 869                     tok = wcschr(command, '^'); /* see above */
 870                     if ((tok != NULL) && (wcslen(tok) > 5))
 871                     {
 872                         wcscat(lpResult, &tok[5]);
 873                     }
 874                 }
 875                 retval = 33; /* FIXME - see above */
 876             }
 877         }
 878     }
 879
 880     TRACE("returning %s\n", debugstr_w(lpResult));
 881     return retval;
 882 }
 883
 884 /******************************************************************
 885  *        dde_cb
 886  *
 887  * callback for the DDE connection. not really useful
 888  */
 889 static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
 890                                 HSZ hsz1, HSZ hsz2, HDDEDATA hData,
 891                                 ULONG_PTR dwData1, ULONG_PTR dwData2)
 892 {
 893     TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
 894           uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
 895     return NULL;
 896 }
 897
 898 /******************************************************************
 899  *        dde_connect
 900  *
 901  * ShellExecute helper. Used to do an operation with a DDE connection
 902  *
 903  * Handles both the direct connection (try #1), and if it fails,
 904  * launching an application and trying (#2) to connect to it
 905  *
 906  */
 907 static unsigned dde_connect(const WCHAR* key, const WCHAR* start, WCHAR* ddeexec,
 908                             const WCHAR* lpFile, WCHAR *env,
 909                             LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
 910                             const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
 911 {
 912     WCHAR       regkey[256];
 913     WCHAR *     endkey = regkey + wcslen(key);
 914     WCHAR       app[256], topic[256], ifexec[256], static_res[256];
 915     WCHAR *     dynamic_res=NULL;
 916     WCHAR *     res;
 917     LONG        applen, topiclen, ifexeclen;
 918     WCHAR *     exec;
 919     DWORD       ddeInst = 0;
 920     DWORD       tid;
 921     DWORD       resultLen, endkeyLen;
 922     HSZ         hszApp, hszTopic;
 923     HCONV       hConv;
 924     HDDEDATA    hDdeData;
 925     unsigned    ret = SE_ERR_NOASSOC;
 926     BOOL unicode = !(GetVersion() & 0x80000000);
 927
 928     if (strlenW(key) + 1 > sizeof(regkey) / sizeof(regkey[0]))
 929     {
 930         FIXME("input parameter %s larger than buffer\n", debugstr_w(key));
 931         return 2;
 932     }
 933     wcscpy(regkey, key);
 934     static const WCHAR wApplication[] = L"\\application";
 935     endkeyLen = sizeof(regkey) / sizeof(regkey[0]) - (endkey - regkey);
 936     if (strlenW(wApplication) + 1 > endkeyLen)
 937     {
 938         FIXME("endkey %s overruns buffer\n", debugstr_w(wApplication));
 939         return 2;
 940     }
 941     wcscpy(endkey, wApplication);
 942     applen = sizeof(app);
 943     if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, app, &applen) != ERROR_SUCCESS)
 944     {
 945         WCHAR command[1024], fullpath[MAX_PATH];
 946         static const WCHAR wSo[] = L".so";
 947         DWORD sizeSo = sizeof(wSo) / sizeof(WCHAR);
 948         LPWSTR ptr = NULL;
 949         DWORD ret = 0;
 950
 951         /* Get application command from start string and find filename of application */
 952         if (*start == '"')
 953         {
 954             if (strlenW(start + 1) + 1 > sizeof(command) / sizeof(command[0]))
 955             {
 956                 FIXME("size of input parameter %s larger than buffer\n",
 957                       debugstr_w(start + 1));
 958                 return 2;
 959             }
 960             wcscpy(command, start + 1);
 961             if ((ptr = wcschr(command, '"')))
 962                 * ptr = 0;
 963             ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath) / sizeof(WCHAR), fullpath, &ptr);
 964         }
 965         else
 966         {
 967             LPCWSTR p;
 968             LPWSTR space;
 969             for (p = start; (space = const_cast<LPWSTR>(strchrW(p, ' '))); p = space + 1)
 970             {
 971                 int idx = space - start;
 972                 memcpy(command, start, idx * sizeof(WCHAR));
 973                 command[idx] = '\0';
 974                 if ((ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath) / sizeof(WCHAR), fullpath, &ptr)))
 975                     break;
 976             }
 977             if (!ret)
 978                 ret = SearchPathW(NULL, start, wszExe, sizeof(fullpath) / sizeof(WCHAR), fullpath, &ptr);
 979         }
 980
 981         if (!ret)
 982         {
 983             ERR("Unable to find application path for command %s\n", debugstr_w(start));
 984             return ERROR_ACCESS_DENIED;
 985         }
 986         if (strlenW(ptr) + 1 > sizeof(app) / sizeof(app[0]))
 987         {
 988             FIXME("size of found path %s larger than buffer\n", debugstr_w(ptr));
 989             return 2;
 990         }
 991         wcscpy(app, ptr);
 992
 993         /* Remove extensions (including .so) */
 994         ptr = app + wcslen(app) - (sizeSo - 1);
 995         if (wcslen(app) >= sizeSo &&
 996                 !wcscmp(ptr, wSo))
 997             *ptr = 0;
 998
 999         ptr = const_cast<LPWSTR>(strrchrW(app, '.'));
1000         assert(ptr);
1001         *ptr = 0;
1002     }
1003
1004     static const WCHAR wTopic[] = L"\\topic";
1005     if (strlenW(wTopic) + 1 > endkeyLen)
1006     {
1007         FIXME("endkey %s overruns buffer\n", debugstr_w(wTopic));
1008         return 2;
1009     }
1010     wcscpy(endkey, wTopic);
1011     topiclen = sizeof(topic);
1012     if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, topic, &topiclen) != ERROR_SUCCESS)
1013     {
1014         wcscpy(topic, L"System");
1015     }
1016
1017     if (unicode)
1018     {
1019         if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
1020             return 2;
1021     }
1022     else
1023     {
1024         if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
1025             return 2;
1026     }
1027
1028     hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
1029     hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
1030
1031     hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
1032     exec = ddeexec;
1033     if (!hConv)
1034     {
1035         TRACE("Launching %s\n", debugstr_w(start));
1036         ret = execfunc(start, env, TRUE, psei, psei_out);
1037         if (ret <= 32)
1038         {
1039             TRACE("Couldn't launch\n");
1040             goto error;
1041         }
1042         hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
1043         if (!hConv)
1044         {
1045             TRACE("Couldn't connect. ret=%d\n", ret);
1046             DdeUninitialize(ddeInst);
1047             SetLastError(ERROR_DDE_FAIL);
1048             return 30; /* whatever */
1049         }
1050         static const WCHAR wIfexec[] = L"\\ifexec";
1051         if (strlenW(wIfexec) + 1 > endkeyLen)
1052         {
1053             FIXME("endkey %s overruns buffer\n", debugstr_w(wIfexec));
1054             return 2;
1055         }
1056         strcpyW(endkey, wIfexec);
1057         ifexeclen = sizeof(ifexec);
1058         if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, ifexec, &ifexeclen) == ERROR_SUCCESS)
1059         {
1060             exec = ifexec;
1061         }
1062     }
1063
1064     SHELL_ArgifyW(static_res, sizeof(static_res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline, &resultLen);
1065     if (resultLen > sizeof(static_res)/sizeof(WCHAR))
1066     {
1067         res = dynamic_res = static_cast<WCHAR *>(HeapAlloc(GetProcessHeap(), 0, resultLen * sizeof(WCHAR)));
1068         SHELL_ArgifyW(dynamic_res, resultLen, exec, lpFile, pidl, szCommandline, NULL);
1069     }
1070     else
1071         res = static_res;
1072     TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
1073
1074     /* It's documented in the KB 330337 that IE has a bug and returns
1075      * error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
1076      */
1077     if (unicode)
1078         hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0, XTYP_EXECUTE, 30000, &tid);
1079     else
1080     {
1081         DWORD lenA = WideCharToMultiByte(CP_ACP, 0, res, -1, NULL, 0, NULL, NULL);
1082         char *resA = (LPSTR)HeapAlloc(GetProcessHeap(), 0, lenA);
1083         WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
1084         hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
1085                                          XTYP_EXECUTE, 10000, &tid );
1086         HeapFree(GetProcessHeap(), 0, resA);
1087     }
1088     if (hDdeData)
1089         DdeFreeDataHandle(hDdeData);
1090     else
1091         WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
1092     ret = 33;
1093
1094     HeapFree(GetProcessHeap(), 0, dynamic_res);
1095
1096     DdeDisconnect(hConv);
1097
1098 error:
1099     DdeUninitialize(ddeInst);
1100
1101     return ret;
1102 }
1103
1104 /*************************************************************************
1105  *    execute_from_key [Internal]
1106  */
1107 static UINT_PTR execute_from_key(LPCWSTR key, LPCWSTR lpFile, WCHAR *env,
1108                                  LPCWSTR szCommandline, LPCWSTR executable_name,
1109                                  SHELL_ExecuteW32 execfunc,
1110                                  LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
1111 {
1112     WCHAR cmd[256], param[1024], ddeexec[256];
1113     DWORD cmdlen = sizeof(cmd), ddeexeclen = sizeof(ddeexec);
1114     UINT_PTR retval = SE_ERR_NOASSOC;
1115     DWORD resultLen;
1116     LPWSTR tmp;
1117
1118     TRACE("%s %s %s %s %s\n", debugstr_w(key), debugstr_w(lpFile), debugstr_w(env),
1119           debugstr_w(szCommandline), debugstr_w(executable_name));
1120
1121     cmd[0] = '\0';
1122     param[0] = '\0';
1123
1124     /* Get the application from the registry */
1125     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, (LONG *)&cmdlen) == ERROR_SUCCESS)
1126     {
1127         TRACE("got cmd: %s\n", debugstr_w(cmd));
1128
1129         /* Is there a replace() function anywhere? */
1130         cmdlen /= sizeof(WCHAR);
1131         if (cmdlen >= sizeof(cmd) / sizeof(WCHAR))
1132             cmdlen = sizeof(cmd) / sizeof(WCHAR) - 1;
1133         cmd[cmdlen] = '\0';
1134         SHELL_ArgifyW(param, sizeof(param) / sizeof(WCHAR), cmd, lpFile, (LPITEMIDLIST)psei->lpIDList, szCommandline, &resultLen);
1135         if (resultLen > sizeof(param) / sizeof(WCHAR))
1136             ERR("Argify buffer not large enough, truncating\n");
1137     }
1138
1139     /* Get the parameters needed by the application
1140        from the associated ddeexec key */
1141     tmp = const_cast<LPWSTR>(strstrW(key, L"command"));
1142     assert(tmp);
1143     wcscpy(tmp, L"ddeexec");
1144
1145     if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ddeexec, (LONG *)&ddeexeclen) == ERROR_SUCCESS)
1146     {
1147         TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(ddeexec));
1148         if (!param[0]) strcpyW(param, executable_name);
1149         retval = dde_connect(key, param, ddeexec, lpFile, env, szCommandline, (LPITEMIDLIST)psei->lpIDList, execfunc, psei, psei_out);
1150     }
1151     else if (param[0])
1152     {
1153         TRACE("executing: %s\n", debugstr_w(param));
1154         retval = execfunc(param, env, FALSE, psei, psei_out);
1155     }
1156     else
1157         WARN("Nothing appropriate found for %s\n", debugstr_w(key));
1158
1159     return retval;
1160 }
1161
1162 /*************************************************************************
1163  * FindExecutableA            [SHELL32.@]
1164  */
1165 HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
1166 {
1167     HINSTANCE retval;
1168     WCHAR *wFile = NULL, *wDirectory = NULL;
1169     WCHAR wResult[MAX_PATH];
1170
1171     if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
1172     if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
1173
1174     retval = FindExecutableW(wFile, wDirectory, wResult);
1175     WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
1176     SHFree(wFile);
1177     SHFree(wDirectory);
1178
1179     TRACE("returning %s\n", lpResult);
1180     return retval;
1181 }
1182
1183 /*************************************************************************
1184  * FindExecutableW            [SHELL32.@]
1185  *
1186  * This function returns the executable associated with the specified file
1187  * for the default verb.
1188  *
1189  * PARAMS
1190  *  lpFile   [I] The file to find the association for. This must refer to
1191  *               an existing file otherwise FindExecutable fails and returns
1192  *               SE_ERR_FNF.
1193  *  lpResult [O] Points to a buffer into which the executable path is
1194  *               copied. This parameter must not be NULL otherwise
1195  *               FindExecutable() segfaults. The buffer must be of size at
1196  *               least MAX_PATH characters.
1197  *
1198  * RETURNS
1199  *  A value greater than 32 on success, less than or equal to 32 otherwise.
1200  *  See the SE_ERR_* constants.
1201  *
1202  * NOTES
1203  *  On Windows XP and 2003, FindExecutable() seems to first convert the
1204  *  filename into 8.3 format, thus taking into account only the first three
1205  *  characters of the extension, and expects to find an association for those.
1206  *  However other Windows versions behave sanely.
1207  */
1208 HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
1209 {
1210     UINT_PTR retval = SE_ERR_NOASSOC;
1211     WCHAR old_dir[1024];
1212
1213     TRACE("File %s, Dir %s\n", debugstr_w(lpFile), debugstr_w(lpDirectory));
1214
1215     lpResult[0] = '\0'; /* Start off with an empty return string */
1216     if (lpFile == NULL)
1217         return (HINSTANCE)SE_ERR_FNF;
1218
1219     if (lpDirectory)
1220     {
1221         GetCurrentDirectoryW(sizeof(old_dir) / sizeof(WCHAR), old_dir);
1222         SetCurrentDirectoryW(lpDirectory);
1223     }
1224
1225     retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, lpResult, MAX_PATH, NULL, NULL, NULL, NULL);
1226
1227     TRACE("returning %s\n", debugstr_w(lpResult));
1228     if (lpDirectory)
1229         SetCurrentDirectoryW(old_dir);
1230     return (HINSTANCE)retval;
1231 }
1232
1233 /* FIXME: is this already implemented somewhere else? */
1234 static HKEY ShellExecute_GetClassKey(const SHELLEXECUTEINFOW *sei)
1235 {
1236     LPCWSTR ext = NULL, lpClass = NULL;
1237     LPWSTR cls = NULL;
1238     DWORD type = 0, sz = 0;
1239     HKEY hkey = 0;
1240     LONG r;
1241
1242     if (sei->fMask & SEE_MASK_CLASSALL)
1243         return sei->hkeyClass;
1244
1245     if (sei->fMask & SEE_MASK_CLASSNAME)
1246         lpClass = sei->lpClass;
1247     else
1248     {
1249         ext = PathFindExtensionW(sei->lpFile);
1250         TRACE("ext = %s\n", debugstr_w(ext));
1251         if (!ext)
1252             return hkey;
1253
1254         r = RegOpenKeyW(HKEY_CLASSES_ROOT, ext, &hkey);
1255         if (r != ERROR_SUCCESS)
1256             return hkey;
1257
1258         r = RegQueryValueExW(hkey, NULL, 0, &type, NULL, &sz);
1259         if (r == ERROR_SUCCESS && type == REG_SZ)
1260         {
1261             sz += sizeof (WCHAR);
1262             cls = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, sz);
1263             cls[0] = 0;
1264             RegQueryValueExW(hkey, NULL, 0, &type, (LPBYTE) cls, &sz);
1265         }
1266
1267         RegCloseKey( hkey );
1268         lpClass = cls;
1269     }
1270
1271     TRACE("class = %s\n", debugstr_w(lpClass));
1272
1273     hkey = 0;
1274     if (lpClass)
1275         RegOpenKeyW( HKEY_CLASSES_ROOT, lpClass, &hkey);
1276
1277     HeapFree(GetProcessHeap(), 0, cls);
1278
1279     return hkey;
1280 }
1281
1282 static IDataObject *shellex_get_dataobj( LPSHELLEXECUTEINFOW sei )
1283 {
1284     LPCITEMIDLIST pidllast = NULL;
1285     CComPtr<IDataObject> dataobj;
1286     CComPtr<IShellFolder> shf;
1287     LPITEMIDLIST pidl = NULL;
1288     HRESULT r;
1289
1290     if (sei->fMask & SEE_MASK_CLASSALL)
1291         pidl = (LPITEMIDLIST)sei->lpIDList;
1292     else
1293     {
1294         WCHAR fullpath[MAX_PATH];
1295         BOOL ret;
1296
1297         fullpath[0] = 0;
1298         ret = GetFullPathNameW(sei->lpFile, MAX_PATH, fullpath, NULL);
1299         if (!ret)
1300             goto end;
1301
1302         pidl = ILCreateFromPathW(fullpath);
1303     }
1304
1305     r = SHBindToParent(pidl, IID_PPV_ARG(IShellFolder, &shf), &pidllast);
1306     if (FAILED(r))
1307         goto end;
1308
1309     shf->GetUIObjectOf(NULL, 1, &pidllast, IID_NULL_PPV_ARG(IDataObject, &dataobj));
1310
1311 end:
1312     if (pidl != sei->lpIDList)
1313         ILFree(pidl);
1314     return dataobj.Detach();
1315 }
1316
1317 static HRESULT shellex_run_context_menu_default(IShellExtInit *obj,
1318         LPSHELLEXECUTEINFOW sei)
1319 {
1320     CComPtr<IContextMenu> cm = NULL;
1321     CMINVOKECOMMANDINFOEX ici;
1322     MENUITEMINFOW info;
1323     WCHAR string[0x80];
1324     INT i, n, def = -1;
1325     HMENU hmenu = 0;
1326     HRESULT r;
1327
1328     TRACE("%p %p\n", obj, sei);
1329
1330     r = obj->QueryInterface(IID_PPV_ARG(IContextMenu, &cm));
1331     if (FAILED(r))
1332         return r;
1333
1334     hmenu = CreateMenu();
1335     if (!hmenu)
1336         goto end;
1337
1338     /* the number of the last menu added is returned in r */
1339     r = cm->QueryContextMenu(hmenu, 0, 0x20, 0x7fff, CMF_DEFAULTONLY);
1340     if (FAILED(r))
1341         goto end;
1342
1343     n = GetMenuItemCount(hmenu);
1344     for (i = 0; i < n; i++)
1345     {
1346         memset(&info, 0, sizeof(info));
1347         info.cbSize = sizeof info;
1348         info.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_DATA | MIIM_ID;
1349         info.dwTypeData = string;
1350         info.cch = sizeof string;
1351         string[0] = 0;
1352         GetMenuItemInfoW(hmenu, i, TRUE, &info);
1353
1354         TRACE("menu %d %s %08x %08lx %08x %08x\n", i, debugstr_w(string),
1355               info.fState, info.dwItemData, info.fType, info.wID);
1356         if ((!sei->lpVerb && (info.fState & MFS_DEFAULT)) ||
1357             (sei->lpVerb && !lstrcmpiW(sei->lpVerb, string)))
1358         {
1359             def = i;
1360             break;
1361         }
1362     }
1363
1364     r = E_FAIL;
1365     if (def == -1)
1366         goto end;
1367
1368     memset(&ici, 0, sizeof ici);
1369     ici.cbSize = sizeof ici;
1370     ici.fMask = CMIC_MASK_UNICODE | (sei->fMask & (SEE_MASK_NO_CONSOLE | SEE_MASK_NOASYNC | SEE_MASK_ASYNCOK | SEE_MASK_FLAG_NO_UI));
1371     ici.nShow = sei->nShow;
1372     ici.lpVerb = MAKEINTRESOURCEA(def);
1373     ici.hwnd = sei->hwnd;
1374     ici.lpParametersW = sei->lpParameters;
1375
1376     r = cm->InvokeCommand((LPCMINVOKECOMMANDINFO)&ici);
1377
1378     TRACE("invoke command returned %08x\n", r);
1379
1380 end:
1381     if (hmenu)
1382         DestroyMenu( hmenu );
1383     return r;
1384 }
1385
1386 static HRESULT shellex_load_object_and_run(HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei)
1387 {
1388     // Can not use CComPtr here because of CoUninitialize at the end, before the destructors would run.
1389     IDataObject *dataobj = NULL;
1390     IObjectWithSite *ows = NULL;
1391     IShellExtInit *obj = NULL;
1392     HRESULT r;
1393
1394     TRACE("%p %s %p\n", hkey, debugstr_guid(guid), sei);
1395
1396     r = CoInitialize(NULL);
1397     if (FAILED(r))
1398         goto end;
1399
1400     r = CoCreateInstance(*guid, NULL, CLSCTX_INPROC_SERVER,
1401                          IID_PPV_ARG(IShellExtInit, &obj));
1402     if (FAILED(r))
1403     {
1404         ERR("failed %08x\n", r);
1405         goto end;
1406     }
1407
1408     dataobj = shellex_get_dataobj(sei);
1409     if (!dataobj)
1410     {
1411         ERR("failed to get data object\n");
1412         goto end;
1413     }
1414
1415     r = obj->Initialize(NULL, dataobj, hkey);
1416     if (FAILED(r))
1417         goto end;
1418
1419     r = obj->QueryInterface(IID_PPV_ARG(IObjectWithSite, &ows));
1420     if (FAILED(r))
1421         goto end;
1422
1423     ows->SetSite(NULL);
1424
1425     r = shellex_run_context_menu_default(obj, sei);
1426
1427 end:
1428     if (ows)
1429         ows->Release();
1430     if (dataobj)
1431         dataobj->Release();
1432     if (obj)
1433         obj->Release();
1434     CoUninitialize();
1435     return r;
1436 }
1437
1438
1439 /*************************************************************************
1440  *    ShellExecute_FromContextMenu [Internal]
1441  */
1442 static LONG ShellExecute_FromContextMenu( LPSHELLEXECUTEINFOW sei )
1443 {
1444     HKEY hkey, hkeycm = 0;
1445     WCHAR szguid[39];
1446     HRESULT hr;
1447     GUID guid;
1448     DWORD i;
1449     LONG r;
1450
1451     TRACE("%s\n", debugstr_w(sei->lpFile));
1452
1453     hkey = ShellExecute_GetClassKey(sei);
1454     if (!hkey)
1455         return ERROR_FUNCTION_FAILED;
1456
1457     r = RegOpenKeyW(hkey, L"shellex\\ContextMenuHandlers", &hkeycm);
1458     if (r == ERROR_SUCCESS)
1459     {
1460         i = 0;
1461         while (1)
1462         {
1463             r = RegEnumKeyW(hkeycm, i++, szguid, sizeof(szguid) / sizeof(szguid[0]));
1464             if (r != ERROR_SUCCESS)
1465                 break;
1466
1467             hr = CLSIDFromString(szguid, &guid);
1468             if (SUCCEEDED(hr))
1469             {
1470                 /* stop at the first one that succeeds in running */
1471                 hr = shellex_load_object_and_run(hkey, &guid, sei);
1472                 if (SUCCEEDED(hr))
1473                     break;
1474             }
1475         }
1476         RegCloseKey(hkeycm);
1477     }
1478
1479     if (hkey != sei->hkeyClass)
1480         RegCloseKey(hkey);
1481     return r;
1482 }
1483
1484 static UINT_PTR SHELL_quote_and_execute(LPCWSTR wcmd, LPCWSTR wszParameters, LPCWSTR lpstrProtocol, LPCWSTR wszApplicationName, LPWSTR env, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc);
1485
1486 static UINT_PTR SHELL_execute_class(LPCWSTR wszApplicationName, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc)
1487 {
1488     WCHAR execCmd[1024], classname[1024];
1489     /* launch a document by fileclass like 'WordPad.Document.1' */
1490     /* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
1491     /* FIXME: wcmd should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
1492     ULONG cmask = (psei->fMask & SEE_MASK_CLASSALL);
1493     DWORD resultLen;
1494     BOOL done;
1495     UINT_PTR rslt;
1496
1497     /* FIXME: remove following block when SHELL_quote_and_execute supports hkeyClass parameter */
1498     if (cmask != SEE_MASK_CLASSNAME)
1499     {
1500         WCHAR wcmd[1024];
1501         HCR_GetExecuteCommandW((cmask == SEE_MASK_CLASSKEY) ? psei->hkeyClass : NULL,
1502                                (cmask == SEE_MASK_CLASSNAME) ? psei->lpClass : NULL,
1503                                psei->lpVerb,
1504                                execCmd, sizeof(execCmd));
1505
1506         /* FIXME: get the extension of lpFile, check if it fits to the lpClass */
1507         TRACE("SEE_MASK_CLASSNAME->%s, doc->%s\n", debugstr_w(execCmd), debugstr_w(wszApplicationName));
1508
1509         wcmd[0] = '\0';
1510         done = SHELL_ArgifyW(wcmd, sizeof(wcmd) / sizeof(WCHAR), execCmd, wszApplicationName, (LPITEMIDLIST)psei->lpIDList, NULL, &resultLen);
1511         if (!done && wszApplicationName[0])
1512         {
1513             strcatW(wcmd, L" ");
1514             if (*wszApplicationName != '"')
1515             {
1516                 strcatW(wcmd, L"\"");
1517                 strcatW(wcmd, wszApplicationName);
1518                 strcatW(wcmd, L"\"");
1519             }
1520             else
1521                 strcatW(wcmd, wszApplicationName);
1522         }
1523         if (resultLen > sizeof(wcmd) / sizeof(WCHAR))
1524             ERR("Argify buffer not large enough... truncating\n");
1525         return execfunc(wcmd, NULL, FALSE, psei, psei_out);
1526     }
1527
1528     strcpyW(classname, psei->lpClass);
1529     rslt = SHELL_FindExecutableByVerb(psei->lpVerb, NULL, classname, execCmd, sizeof(execCmd));
1530
1531     TRACE("SHELL_FindExecutableByVerb returned %u (%s, %s)\n", (unsigned int)rslt, debugstr_w(classname), debugstr_w(execCmd));
1532     if (33 > rslt)
1533         return rslt;
1534     rslt = SHELL_quote_and_execute( execCmd, L"", classname,
1535                                       wszApplicationName, NULL, psei,
1536                                       psei_out, execfunc );
1537     return rslt;
1538
1539 }
1540
1541 static BOOL SHELL_translate_idlist(LPSHELLEXECUTEINFOW sei, LPWSTR wszParameters, DWORD parametersLen, LPWSTR wszApplicationName, DWORD dwApplicationNameLen)
1542 {
1543     static const WCHAR wExplorer[] = L"explorer.exe";
1544     WCHAR buffer[MAX_PATH];
1545     BOOL appKnownSingular = FALSE;
1546
1547     /* last chance to translate IDList: now also allow CLSID paths */
1548     if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW((LPCITEMIDLIST)sei->lpIDList, buffer, sizeof(buffer)/sizeof(WCHAR)))) {
1549         if (buffer[0] == ':' && buffer[1] == ':') {
1550             /* open shell folder for the specified class GUID */
1551             if (strlenW(buffer) + 1 > parametersLen)
1552                 ERR("parameters len exceeds buffer size (%i > %i), truncating\n",
1553                     lstrlenW(buffer) + 1, parametersLen);
1554             lstrcpynW(wszParameters, buffer, parametersLen);
1555             if (strlenW(wExplorer) > dwApplicationNameLen)
1556                 ERR("application len exceeds buffer size (%i > %i), truncating\n",
1557                     lstrlenW(wExplorer) + 1, dwApplicationNameLen);
1558             lstrcpynW(wszApplicationName, wExplorer, dwApplicationNameLen);
1559             appKnownSingular = TRUE;
1560
1561             sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
1562         } else {
1563             WCHAR target[MAX_PATH];
1564             DWORD attribs;
1565             DWORD resultLen;
1566             /* Check if we're executing a directory and if so use the
1567                handler for the Folder class */
1568             strcpyW(target, buffer);
1569             attribs = GetFileAttributesW(buffer);
1570             if (attribs != INVALID_FILE_ATTRIBUTES &&
1571                     (attribs & FILE_ATTRIBUTE_DIRECTORY) &&
1572                     HCR_GetExecuteCommandW(0, L"Folder",
1573                                            sei->lpVerb,
1574                                            buffer, sizeof(buffer))) {
1575                 SHELL_ArgifyW(wszApplicationName, dwApplicationNameLen,
1576                               buffer, target, (LPITEMIDLIST)sei->lpIDList, NULL, &resultLen);
1577                 if (resultLen > dwApplicationNameLen)
1578                     ERR("Argify buffer not large enough... truncating\n");
1579                 appKnownSingular = FALSE;
1580             }
1581             sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
1582         }
1583     }
1584     return appKnownSingular;
1585 }
1586
1587 static UINT_PTR SHELL_quote_and_execute(LPCWSTR wcmd, LPCWSTR wszParameters, LPCWSTR wszKeyname, LPCWSTR wszApplicationName, LPWSTR env, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc)
1588 {
1589     UINT_PTR retval;
1590     DWORD len;
1591     WCHAR *wszQuotedCmd;
1592
1593     /* Length of quotes plus length of command plus NULL terminator */
1594     len = 2 + lstrlenW(wcmd) + 1;
1595     if (wszParameters[0])
1596     {
1597         /* Length of space plus length of parameters */
1598         len += 1 + lstrlenW(wszParameters);
1599     }
1600     wszQuotedCmd = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1601     /* Must quote to handle case where cmd contains spaces,
1602      * else security hole if malicious user creates executable file "C:\\Program"
1603      */
1604     strcpyW(wszQuotedCmd, L"\"");
1605     strcatW(wszQuotedCmd, wcmd);
1606     strcatW(wszQuotedCmd, L"\"");
1607     if (wszParameters[0])
1608     {
1609         strcatW(wszQuotedCmd, L" ");
1610         strcatW(wszQuotedCmd, wszParameters);
1611     }
1612
1613     TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(psei->lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(wszKeyname));
1614
1615     if (*wszKeyname)
1616         retval = execute_from_key(wszKeyname, wszApplicationName, env, psei->lpParameters, wcmd, execfunc, psei, psei_out);
1617     else
1618         retval = execfunc(wszQuotedCmd, env, FALSE, psei, psei_out);
1619     HeapFree(GetProcessHeap(), 0, wszQuotedCmd);
1620     return retval;
1621 }
1622
1623 static UINT_PTR SHELL_execute_url(LPCWSTR lpFile, LPCWSTR wcmd, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc)
1624 {
1625     static const WCHAR wShell[] = L"\\shell\\";
1626     static const WCHAR wCommand[] = L"\\command";
1627     UINT_PTR retval;
1628     WCHAR *lpstrProtocol;
1629     LPCWSTR lpstrRes;
1630     INT iSize;
1631     DWORD len;
1632
1633     lpstrRes = strchrW(lpFile, ':');
1634     if (lpstrRes)
1635         iSize = lpstrRes - lpFile;
1636     else
1637         iSize = strlenW(lpFile);
1638
1639     TRACE("Got URL: %s\n", debugstr_w(lpFile));
1640     /* Looking for ...<protocol>\shell\<lpVerb>\command */
1641     len = iSize + lstrlenW(wShell) + lstrlenW(wCommand) + 1;
1642     if (psei->lpVerb && *psei->lpVerb)
1643         len += lstrlenW(psei->lpVerb);
1644     else
1645         len += lstrlenW(wszOpen);
1646     lpstrProtocol = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1647     memcpy(lpstrProtocol, lpFile, iSize * sizeof(WCHAR));
1648     lpstrProtocol[iSize] = '\0';
1649     strcatW(lpstrProtocol, wShell);
1650     strcatW(lpstrProtocol, psei->lpVerb && *psei->lpVerb ? psei->lpVerb : wszOpen);
1651     strcatW(lpstrProtocol, wCommand);
1652
1653     retval = execute_from_key(lpstrProtocol, lpFile, NULL, psei->lpParameters,
1654                               wcmd, execfunc, psei, psei_out);
1655     HeapFree(GetProcessHeap(), 0, lpstrProtocol);
1656     return retval;
1657 }
1658
1659 static void do_error_dialog(UINT_PTR retval, HWND hwnd, WCHAR* filename)
1660 {
1661     WCHAR msg[2048];
1662     DWORD_PTR msgArguments[3]  = { (DWORD_PTR)filename, 0, 0 };
1663     DWORD error_code;
1664
1665     error_code = GetLastError();
1666
1667     if (retval == SE_ERR_NOASSOC)
1668         LoadStringW(shell32_hInstance, IDS_SHLEXEC_NOASSOC, msg, sizeof(msg) / sizeof(WCHAR));
1669     else
1670         FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY,
1671                        NULL,
1672                        error_code,
1673                        LANG_USER_DEFAULT,
1674                        msg,
1675                        sizeof(msg) / sizeof(WCHAR),
1676                        (va_list*)msgArguments);
1677
1678     MessageBoxW(hwnd, msg, NULL, MB_ICONERROR);
1679 }
1680
1681 /*************************************************************************
1682  *    SHELL_execute [Internal]
1683  */
1684 static BOOL SHELL_execute(LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc)
1685 {
1686     static const DWORD unsupportedFlags =
1687         SEE_MASK_INVOKEIDLIST  | SEE_MASK_ICON         | SEE_MASK_HOTKEY |
1688         SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
1689         SEE_MASK_UNICODE       | SEE_MASK_ASYNCOK      | SEE_MASK_HMONITOR;
1690
1691     WCHAR parametersBuffer[1024], dirBuffer[MAX_PATH], wcmdBuffer[1024];
1692     WCHAR *wszApplicationName, *wszParameters, *wszDir, *wcmd;
1693     DWORD dwApplicationNameLen = MAX_PATH + 2;
1694     DWORD parametersLen = sizeof(parametersBuffer) / sizeof(WCHAR);
1695     DWORD dirLen = sizeof(dirBuffer) / sizeof(WCHAR);
1696     DWORD wcmdLen = sizeof(wcmdBuffer) / sizeof(WCHAR);
1697     DWORD len;
1698     SHELLEXECUTEINFOW sei_tmp;    /* modifiable copy of SHELLEXECUTEINFO struct */
1699     WCHAR wfileName[MAX_PATH];
1700     WCHAR *env;
1701     WCHAR wszKeyname[256];
1702     LPCWSTR lpFile;
1703     UINT_PTR retval = SE_ERR_NOASSOC;
1704     BOOL appKnownSingular = FALSE;
1705
1706     /* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
1707     sei_tmp = *sei;
1708
1709     TRACE("mask=0x%08x hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
1710           sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
1711           debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
1712           debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
1713           ((sei_tmp.fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME) ?
1714           debugstr_w(sei_tmp.lpClass) : "not used");
1715
1716     sei->hProcess = NULL;
1717
1718     /* make copies of all path/command strings */
1719     if (!sei_tmp.lpFile)
1720     {
1721         wszApplicationName = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen * sizeof(WCHAR));
1722         *wszApplicationName = '\0';
1723     }
1724     else if (*sei_tmp.lpFile == '\"')
1725     {
1726         DWORD l = strlenW(sei_tmp.lpFile + 1);
1727         if(l >= dwApplicationNameLen)
1728             dwApplicationNameLen = l + 1;
1729
1730         wszApplicationName = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen * sizeof(WCHAR));
1731         memcpy(wszApplicationName, sei_tmp.lpFile + 1, (l + 1)*sizeof(WCHAR));
1732
1733         if (wszApplicationName[l-1] == L'\"')
1734             wszApplicationName[l-1] = L'\0';
1735         appKnownSingular = TRUE;
1736
1737         TRACE("wszApplicationName=%s\n", debugstr_w(wszApplicationName));
1738     }
1739     else
1740     {
1741         DWORD l = strlenW(sei_tmp.lpFile) + 1;
1742         if(l > dwApplicationNameLen) dwApplicationNameLen = l + 1;
1743         wszApplicationName = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen * sizeof(WCHAR));
1744         memcpy(wszApplicationName, sei_tmp.lpFile, l * sizeof(WCHAR));
1745     }
1746
1747     wszParameters = parametersBuffer;
1748     if (sei_tmp.lpParameters)
1749     {
1750         len = lstrlenW(sei_tmp.lpParameters) + 1;
1751         if (len > parametersLen)
1752         {
1753             wszParameters = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1754             parametersLen = len;
1755         }
1756         strcpyW(wszParameters, sei_tmp.lpParameters);
1757     }
1758     else
1759         *wszParameters = L'\0';
1760
1761     wszDir = dirBuffer;
1762     if (sei_tmp.lpDirectory)
1763     {
1764         len = lstrlenW(sei_tmp.lpDirectory) + 1;
1765         if (len > dirLen)
1766         {
1767             wszDir = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1768             dirLen = len;
1769         }
1770         strcpyW(wszDir, sei_tmp.lpDirectory);
1771     }
1772     else
1773         *wszDir = L'\0';
1774
1775     /* adjust string pointers to point to the new buffers */
1776     sei_tmp.lpFile = wszApplicationName;
1777     sei_tmp.lpParameters = wszParameters;
1778     sei_tmp.lpDirectory = wszDir;
1779
1780     if (sei_tmp.fMask & unsupportedFlags)
1781     {
1782         FIXME("flags ignored: 0x%08x\n", sei_tmp.fMask & unsupportedFlags);
1783     }
1784
1785     /* process the IDList */
1786     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1787     {
1788         CComPtr<IShellExecuteHookW> pSEH;
1789
1790         HRESULT hr = SHBindToParent((LPCITEMIDLIST)sei_tmp.lpIDList, IID_PPV_ARG(IShellExecuteHookW, &pSEH), NULL);
1791
1792         if (SUCCEEDED(hr))
1793         {
1794             hr = pSEH->Execute(&sei_tmp);
1795
1796             if (hr == S_OK)
1797             {
1798                 HeapFree(GetProcessHeap(), 0, wszApplicationName);
1799                 if (wszParameters != parametersBuffer)
1800                     HeapFree(GetProcessHeap(), 0, wszParameters);
1801                 if (wszDir != dirBuffer)
1802                     HeapFree(GetProcessHeap(), 0, wszDir);
1803                 return TRUE;
1804             }
1805         }
1806
1807         SHGetPathFromIDListW((LPCITEMIDLIST)sei_tmp.lpIDList, wszApplicationName);
1808         appKnownSingular = TRUE;
1809         TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
1810     }
1811
1812     if (ERROR_SUCCESS == ShellExecute_FromContextMenu(&sei_tmp))
1813     {
1814         sei->hInstApp = (HINSTANCE) 33;
1815         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1816         if (wszParameters != parametersBuffer)
1817             HeapFree(GetProcessHeap(), 0, wszParameters);
1818         if (wszDir != dirBuffer)
1819             HeapFree(GetProcessHeap(), 0, wszDir);
1820         return TRUE;
1821     }
1822
1823     if (sei_tmp.fMask & SEE_MASK_CLASSALL)
1824     {
1825         retval = SHELL_execute_class(wszApplicationName, &sei_tmp, sei, execfunc);
1826         if (retval <= 32 && !(sei_tmp.fMask & SEE_MASK_FLAG_NO_UI))
1827         {
1828             OPENASINFO Info;
1829
1830             //FIXME
1831             // need full path
1832
1833             Info.pcszFile = wszApplicationName;
1834             Info.pcszClass = NULL;
1835             Info.oaifInFlags = OAIF_ALLOW_REGISTRATION | OAIF_EXEC;
1836
1837             //if (SHOpenWithDialog(sei_tmp.hwnd, &Info) != S_OK)
1838             DBG_UNREFERENCED_LOCAL_VARIABLE(Info);
1839             do_error_dialog(retval, sei_tmp.hwnd, wszApplicationName);
1840         }
1841         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1842         if (wszParameters != parametersBuffer)
1843             HeapFree(GetProcessHeap(), 0, wszParameters);
1844         if (wszDir != dirBuffer)
1845             HeapFree(GetProcessHeap(), 0, wszDir);
1846         return retval > 32;
1847     }
1848
1849     /* Has the IDList not yet been translated? */
1850     if (sei_tmp.fMask & SEE_MASK_IDLIST)
1851     {
1852         appKnownSingular = SHELL_translate_idlist( &sei_tmp, wszParameters,
1853                            parametersLen,
1854                            wszApplicationName,
1855                            dwApplicationNameLen );
1856     }
1857
1858     /* convert file URLs */
1859     if (UrlIsFileUrlW(sei_tmp.lpFile))
1860     {
1861         LPWSTR buf;
1862         DWORD size;
1863
1864         size = MAX_PATH;
1865         buf = static_cast<LPWSTR>(HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR)));
1866         if (!buf || FAILED(PathCreateFromUrlW(sei_tmp.lpFile, buf, &size, 0)))
1867         {
1868             HeapFree(GetProcessHeap(), 0, buf);
1869             return SE_ERR_OOM;
1870         }
1871
1872         HeapFree(GetProcessHeap(), 0, wszApplicationName);
1873         dwApplicationNameLen = lstrlenW(buf) + 1;
1874         wszApplicationName = buf;
1875         sei_tmp.lpFile = wszApplicationName;
1876     }
1877     else /* or expand environment strings (not both!) */
1878     {
1879         len = ExpandEnvironmentStringsW(sei_tmp.lpFile, NULL, 0);
1880         if (len > 0)
1881         {
1882             LPWSTR buf;
1883             buf = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
1884
1885             ExpandEnvironmentStringsW(sei_tmp.lpFile, buf, len + 1);
1886             HeapFree(GetProcessHeap(), 0, wszApplicationName);
1887             dwApplicationNameLen = len + 1;
1888             wszApplicationName = buf;
1889             /* appKnownSingular unmodified */
1890
1891             sei_tmp.lpFile = wszApplicationName;
1892         }
1893     }
1894
1895     if (*sei_tmp.lpDirectory)
1896     {
1897         len = ExpandEnvironmentStringsW(sei_tmp.lpDirectory, NULL, 0);
1898         if (len > 0)
1899         {
1900             LPWSTR buf;
1901             len++;
1902             buf = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1903             ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buf, len);
1904             if (wszDir != dirBuffer)
1905                 HeapFree(GetProcessHeap(), 0, wszDir);
1906             wszDir = buf;
1907             sei_tmp.lpDirectory = wszDir;
1908         }
1909     }
1910
1911     /* Else, try to execute the filename */
1912     TRACE("execute: %s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
1913
1914     /* separate out command line arguments from executable file name */
1915     if (!*sei_tmp.lpParameters && !appKnownSingular)
1916     {
1917         /* If the executable path is quoted, handle the rest of the command line as parameters. */
1918         if (sei_tmp.lpFile[0] == L'"')
1919         {
1920             LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
1921             LPWSTR dst = wfileName;
1922             LPWSTR end;
1923
1924             /* copy the unquoted executable path to 'wfileName' */
1925             while(*src && *src != L'"')
1926                 *dst++ = *src++;
1927
1928             *dst = L'\0';
1929
1930             if (*src == L'"')
1931             {
1932                 end = ++src;
1933
1934                 while(isspace(*src))
1935                     ++src;
1936             }
1937             else
1938                 end = src;
1939
1940             /* copy the parameter string to 'wszParameters' */
1941             strcpyW(wszParameters, src);
1942
1943             /* terminate previous command string after the quote character */
1944             *end = L'\0';
1945             lpFile = wfileName;
1946         }
1947         else
1948         {
1949             /* If the executable name is not quoted, we have to use this search loop here,
1950                that in CreateProcess() is not sufficient because it does not handle shell links. */
1951             WCHAR buffer[MAX_PATH], xlpFile[MAX_PATH];
1952             LPWSTR space, s;
1953
1954             LPWSTR beg = wszApplicationName/*sei_tmp.lpFile*/;
1955             for(s = beg; (space = const_cast<LPWSTR>(strchrW(s, L' '))); s = space + 1)
1956             {
1957                 int idx = space - sei_tmp.lpFile;
1958                 memcpy(buffer, sei_tmp.lpFile, idx * sizeof(WCHAR));
1959                 buffer[idx] = '\0';
1960
1961                 /*FIXME This finds directory paths if the targeted file name contains spaces. */
1962                 if (SearchPathW(*sei_tmp.lpDirectory ? sei_tmp.lpDirectory : NULL, buffer, wszExe, sizeof(xlpFile) / sizeof(xlpFile[0]), xlpFile, NULL))
1963                 {
1964                     /* separate out command from parameter string */
1965                     LPCWSTR p = space + 1;
1966
1967                     while(isspaceW(*p))
1968                         ++p;
1969
1970                     strcpyW(wszParameters, p);
1971                     *space = L'\0';
1972
1973                     break;
1974                 }
1975             }
1976
1977             lpFile = sei_tmp.lpFile;
1978         }
1979     }
1980     else
1981         lpFile = sei_tmp.lpFile;
1982
1983     wcmd = wcmdBuffer;
1984     len = lstrlenW(wszApplicationName) + 3;
1985     if (sei_tmp.lpParameters[0])
1986         len += 1 + lstrlenW(wszParameters);
1987     if (len > wcmdLen)
1988     {
1989         wcmd = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1990         wcmdLen = len;
1991     }
1992     swprintf(wcmd, L"\"%s\"", wszApplicationName);
1993     if (sei_tmp.lpParameters[0])
1994     {
1995         strcatW(wcmd, L" ");
1996         strcatW(wcmd, wszParameters);
1997     }
1998
1999     retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
2000     if (retval > 32)
2001     {
2002         HeapFree(GetProcessHeap(), 0, wszApplicationName);
2003         if (wszParameters != parametersBuffer)
2004             HeapFree(GetProcessHeap(), 0, wszParameters);
2005         if (wszDir != dirBuffer)
2006             HeapFree(GetProcessHeap(), 0, wszDir);
2007         if (wcmd != wcmdBuffer)
2008             HeapFree(GetProcessHeap(), 0, wcmd);
2009         return TRUE;
2010     }
2011
2012     /* Else, try to find the executable */
2013     wcmd[0] = L'\0';
2014     retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, wcmdLen, wszKeyname, &env, (LPITEMIDLIST)sei_tmp.lpIDList, sei_tmp.lpParameters);
2015     if (retval > 32)  /* Found */
2016     {
2017         retval = SHELL_quote_and_execute(wcmd, wszParameters, wszKeyname,
2018                                          wszApplicationName, env, &sei_tmp,
2019                                          sei, execfunc);
2020         HeapFree(GetProcessHeap(), 0, env);
2021     }
2022     else if (PathIsDirectoryW(lpFile))
2023     {
2024         WCHAR wExec[MAX_PATH];
2025         WCHAR * lpQuotedFile = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * (strlenW(lpFile) + 3));
2026
2027         if (lpQuotedFile)
2028         {
2029             retval = SHELL_FindExecutable(sei_tmp.lpDirectory, L"explorer",
2030                                           wszOpen, wExec, MAX_PATH,
2031                                           NULL, &env, NULL, NULL);
2032             if (retval > 32)
2033             {
2034                 swprintf(lpQuotedFile, L"\"%s\"", lpFile);
2035                 retval = SHELL_quote_and_execute(wExec, lpQuotedFile,
2036                                                  wszKeyname,
2037                                                  wszApplicationName, env,
2038                                                  &sei_tmp, sei, execfunc);
2039                 HeapFree(GetProcessHeap(), 0, env);
2040             }
2041             HeapFree(GetProcessHeap(), 0, lpQuotedFile);
2042         }
2043         else
2044             retval = 0; /* Out of memory */
2045     }
2046     else if (PathIsURLW(lpFile))    /* File not found, check for URL */
2047     {
2048         retval = SHELL_execute_url(lpFile, wcmd, &sei_tmp, sei, execfunc );
2049     }
2050     /* Check if file specified is in the form www.??????.*** */
2051     else if (!strncmpiW(lpFile, L"www", 3))
2052     {
2053         /* if so, prefix lpFile with http:// and call ShellExecute */
2054         WCHAR lpstrTmpFile[256];
2055         strcpyW(lpstrTmpFile, L"http://");
2056         strcatW(lpstrTmpFile, lpFile);
2057         retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
2058     }
2059
2060     TRACE("retval %lu\n", retval);
2061
2062     if (retval <= 32 && !(sei_tmp.fMask & SEE_MASK_FLAG_NO_UI))
2063     {
2064         OPENASINFO Info;
2065
2066         //FIXME
2067         // need full path
2068
2069         Info.pcszFile = wszApplicationName;
2070         Info.pcszClass = NULL;
2071         Info.oaifInFlags = OAIF_ALLOW_REGISTRATION | OAIF_EXEC;
2072
2073         //if (SHOpenWithDialog(sei_tmp.hwnd, &Info) != S_OK)
2074         DBG_UNREFERENCED_LOCAL_VARIABLE(Info);
2075         do_error_dialog(retval, sei_tmp.hwnd, wszApplicationName);
2076     }
2077
2078     HeapFree(GetProcessHeap(), 0, wszApplicationName);
2079     if (wszParameters != parametersBuffer)
2080         HeapFree(GetProcessHeap(), 0, wszParameters);
2081     if (wszDir != dirBuffer)
2082         HeapFree(GetProcessHeap(), 0, wszDir);
2083     if (wcmd != wcmdBuffer)
2084         HeapFree(GetProcessHeap(), 0, wcmd);
2085
2086     sei->hInstApp = (HINSTANCE)(retval > 32 ? 33 : retval);
2087
2088     return retval > 32;
2089 }
2090
2091 /*************************************************************************
2092  * ShellExecuteA            [SHELL32.290]
2093  */
2094 HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpVerb, LPCSTR lpFile,
2095                                LPCSTR lpParameters, LPCSTR lpDirectory, INT iShowCmd)
2096 {
2097     SHELLEXECUTEINFOA sei;
2098
2099     TRACE("%p,%s,%s,%s,%s,%d\n",
2100           hWnd, debugstr_a(lpVerb), debugstr_a(lpFile),
2101           debugstr_a(lpParameters), debugstr_a(lpDirectory), iShowCmd);
2102
2103     sei.cbSize = sizeof(sei);
2104     sei.fMask = SEE_MASK_FLAG_NO_UI;
2105     sei.hwnd = hWnd;
2106     sei.lpVerb = lpVerb;
2107     sei.lpFile = lpFile;
2108     sei.lpParameters = lpParameters;
2109     sei.lpDirectory = lpDirectory;
2110     sei.nShow = iShowCmd;
2111     sei.lpIDList = 0;
2112     sei.lpClass = 0;
2113     sei.hkeyClass = 0;
2114     sei.dwHotKey = 0;
2115     sei.hProcess = 0;
2116
2117     ShellExecuteExA(&sei);
2118     return sei.hInstApp;
2119 }
2120
2121 /*************************************************************************
2122  * ShellExecuteExA                [SHELL32.292]
2123  *
2124  */
2125 BOOL
2126 WINAPI
2127 DECLSPEC_HOTPATCH
2128 ShellExecuteExA(LPSHELLEXECUTEINFOA sei)
2129 {
2130     SHELLEXECUTEINFOW seiW;
2131     BOOL ret;
2132     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
2133
2134     TRACE("%p\n", sei);
2135
2136     memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
2137
2138     if (sei->lpVerb)
2139         seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
2140
2141     if (sei->lpFile)
2142         seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
2143
2144     if (sei->lpParameters)
2145         seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
2146
2147     if (sei->lpDirectory)
2148         seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
2149
2150     if ((sei->fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME && sei->lpClass)
2151         seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
2152     else
2153         seiW.lpClass = NULL;
2154
2155     ret = SHELL_execute(&seiW, SHELL_ExecuteW);
2156
2157     sei->hInstApp = seiW.hInstApp;
2158
2159     if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
2160         sei->hProcess = seiW.hProcess;
2161
2162     SHFree(wVerb);
2163     SHFree(wFile);
2164     SHFree(wParameters);
2165     SHFree(wDirectory);
2166     SHFree(wClass);
2167
2168     return ret;
2169 }
2170
2171 /*************************************************************************
2172  * ShellExecuteExW                [SHELL32.293]
2173  *
2174  */
2175 BOOL
2176 WINAPI
2177 DECLSPEC_HOTPATCH
2178 ShellExecuteExW(LPSHELLEXECUTEINFOW sei)
2179 {
2180     return SHELL_execute(sei, SHELL_ExecuteW);
2181 }
2182
2183 /*************************************************************************
2184  * ShellExecuteW            [SHELL32.294]
2185  * from shellapi.h
2186  * WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpVerb,
2187  * LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
2188  */
2189 HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpVerb, LPCWSTR lpFile,
2190                                LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
2191 {
2192     SHELLEXECUTEINFOW sei;
2193
2194     TRACE("\n");
2195     sei.cbSize = sizeof(sei);
2196     sei.fMask = SEE_MASK_FLAG_NO_UI;
2197     sei.hwnd = hwnd;
2198     sei.lpVerb = lpVerb;
2199     sei.lpFile = lpFile;
2200     sei.lpParameters = lpParameters;
2201     sei.lpDirectory = lpDirectory;
2202     sei.nShow = nShowCmd;
2203     sei.lpIDList = 0;
2204     sei.lpClass = 0;
2205     sei.hkeyClass = 0;
2206     sei.dwHotKey = 0;
2207     sei.hProcess = 0;
2208
2209     SHELL_execute(&sei, SHELL_ExecuteW);
2210     return sei.hInstApp;
2211 }
2212
2213 /*************************************************************************
2214  * WOWShellExecute            [SHELL32.@]
2215  *
2216  * FIXME: the callback function most likely doesn't work the same way on Windows.
2217  */
2218 EXTERN_C HINSTANCE WINAPI WOWShellExecute(HWND hWnd, LPCSTR lpVerb, LPCSTR lpFile,
2219         LPCSTR lpParameters, LPCSTR lpDirectory, INT iShowCmd, void *callback)
2220 {
2221     SHELLEXECUTEINFOW seiW;
2222     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
2223     HANDLE hProcess = 0;
2224
2225     seiW.lpVerb = lpVerb ? __SHCloneStrAtoW(&wVerb, lpVerb) : NULL;
2226     seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
2227     seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
2228     seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
2229
2230     seiW.cbSize = sizeof(seiW);
2231     seiW.fMask = 0;
2232     seiW.hwnd = hWnd;
2233     seiW.nShow = iShowCmd;
2234     seiW.lpIDList = 0;
2235     seiW.lpClass = 0;
2236     seiW.hkeyClass = 0;
2237     seiW.dwHotKey = 0;
2238     seiW.hProcess = hProcess;
2239
2240     SHELL_execute(&seiW, (SHELL_ExecuteW32)callback);
2241
2242     SHFree(wVerb);
2243     SHFree(wFile);
2244     SHFree(wParameters);
2245     SHFree(wDirectory);
2246     return seiW.hInstApp;
2247 }
2248
2249 /*************************************************************************
2250  * OpenAs_RunDLLA          [SHELL32.@]
2251  */
2252 EXTERN_C void WINAPI OpenAs_RunDLLA(HWND hwnd, HINSTANCE hinst, LPCSTR cmdline, int cmdshow)
2253 {
2254     FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_a(cmdline), cmdshow);
2255 }
2256
2257 /*************************************************************************
2258  * OpenAs_RunDLLW          [SHELL32.@]
2259  */
2260 EXTERN_C void WINAPI OpenAs_RunDLLW(HWND hwnd, HINSTANCE hinst, LPCWSTR cmdline, int cmdshow)
2261 {
2262     FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_w(cmdline), cmdshow);
2263 }